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169 Commits

Author SHA1 Message Date
David Blaikie
bc563276e0 DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

Originally committed as r197073 and reverted in r197079.
Recommitted as r197197 to reproduce the failure and reverted as r197199

Turns out there was unstable ordering in the type unit dumping code.
Fixed by using MapVector in DWARFContext to store the debug_types
comdat sections.

Recommitted as r197210 with a fix to dumping and reverted as r197211
because I was a bit gun shy and thought I saw a failure that turned out
to be unrelated.

So here we go - once more with feeling! \o/

llvm-svn: 197275
 2013-12-13 21:33:40 +00:00
David Blaikie
04adff775f Revert "DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers" 
This reverts commit r197210.

llvm-svn: 197211
 2013-12-13 06:43:32 +00:00
David Blaikie
753c6e4eb2 DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

Originally committed as r197073 and reverted in r197079.
Recommitted as r197197 to reproduce the failure and reverted as r197199

Turns out there was unstable ordering in the type unit dumping code.
Fixed by using MapVector in DWARFContext to store the debug_types
comdat sections.

llvm-svn: 197210
 2013-12-13 06:27:38 +00:00
David Blaikie
6201712bb0 Revert "DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers" 
This reverts commit r197197.

llvm-svn: 197199
 2013-12-13 01:24:54 +00:00
David Blaikie
baaf74d4ca DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

Originally committed as r197073 and reverted in r197079.

This commit originally got jumbled up with another build-breaking commit
and I can't find the failures I thought this caused anymore.
Recommitting to hopefully get some clean buildbot results to work from.
I have a sneaking suspicion there's unstable output in the comdat group
output of MCStreamer...

llvm-svn: 197197
 2013-12-13 01:06:41 +00:00
David Blaikie
727747eb29 Revert "DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers" 
This reverts commit r197073.

The test seems to be failing on some buildbots for unknown reasons.
Reverting until I can figure that out. If anyone's got a reproduction
(.s and .o together would be great) - I'd really appreciate it.

llvm-svn: 197079
 2013-12-11 22:08:39 +00:00
David Blaikie
4fe3c00eed DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers 
This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

llvm-svn: 197073
 2013-12-11 21:36:27 +00:00
David Blaikie
3332d4c75f DwarfUnit: LLVM_OVERRIDE and constify some functions 
llvm-svn: 197072
 2013-12-11 21:14:02 +00:00
Eric Christopher
4287a49913 Rename CompileUnit->DwarfCompileUnit and TypeUnit->DwarfTypeUnit for 
clarity. No functional change.

llvm-svn: 196844
 2013-12-09 23:57:44 +00:00
Eric Christopher
a5a7942297 Rename Unit->DwarfUnit to match the file name and make it a bit less 
ambiguous. Reformat to match.

llvm-svn: 196838
 2013-12-09 23:32:48 +00:00
David Blaikie
03073f747e DebugInfo: Include the section and start-of-section label in the unit 
This is a precursor to moving type units into the correct (debug_types)
section with comdat groups and full type unit headers.

llvm-svn: 196615
 2013-12-06 22:14:48 +00:00
Eric Christopher
f8194853ff Rename DwarfUnits to DwarfFile to help avoid some naming confusion. 
llvm-svn: 196519
 2013-12-05 18:06:10 +00:00
Eric Christopher
1c70b6795b Fix comment. 
llvm-svn: 196437
 2013-12-05 00:13:15 +00:00
David Blaikie
6896e190cf DwarfUnit: Correct comment by generalizing over all units, not just compilation units. 
Code review feedback on r196394 by Paul Robinson.

llvm-svn: 196433
 2013-12-04 23:39:02 +00:00
Eric Christopher
270ba4a5d3 Use move and stack allocation for RangeSpanLists. As a result make 
a few things more const as well because we're now using const
references to refer to iterators.

llvm-svn: 196398
 2013-12-04 19:06:58 +00:00
David Blaikie
91db9ab1b4 DebugInfo: Remove unused start/end labels for the debug_abbrevs section 
Since we always emit only one abbrevation section (shared by all the
compilation units in this module) there's no need for a separate label
at the start of each one (and we weren't using the CU ID anyway, so
there really was only one label). Use the section label instead and drop
the wholely unused debug_abbrev_end label.

llvm-svn: 196394
 2013-12-04 18:12:28 +00:00
Eric Christopher
0f63d06d64 Make ranges and range lists be a discrete entity that can be located 
and emitted per function and CU. Begins coalescing ranges as a first
class entity through debug info. No functional change.

llvm-svn: 196178
 2013-12-03 00:45:45 +00:00
David Blaikie
2a80e4426c DebugInfo: Rename generic unit references to "TheU" instead of TheCU now that they might be type units instead of compile units. 
CR feedback from Eric Christopher on r196139.

llvm-svn: 196159
 2013-12-02 22:09:48 +00:00
David Blaikie
2c86a72331 DebugInfo: Rename DwarfCompileUnit.* to DwarfUnit.* to match their contents. 
llvm-svn: 196140
 2013-12-02 19:33:15 +00:00